Patents by Inventor Paul Hunziker

Paul Hunziker has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Determination of uric acid
    Patent number: 4095948
    Abstract: An automated method for the determination of uric acid in biological fluids utilizing a benzidine or diphenyline and peroxidase as the color indicator.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: June 20, 1978
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Paul Hunziker
  • Compositions and methods for the determination of oxidizing agents
    Patent number: 3979262
    Abstract: Compositions and methods are described for the determination of specific components in a biological fluid by a quantitative colorimetric determination of an oxidizing agent, e.g., hydrogen peroxide, produced in the biological fluid by an appropriate enzyme, said compositions comprising an aromatic amine component, a hydrazone component and a citric and/or maleic acid component.
    Type: Grant
    Filed: February 11, 1975
    Date of Patent: September 7, 1976
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Paul Hunziker